Home / 72,529,355.60-108,794,033.40-68,274,328.40

Finding the Fourth Proportional to 72,529,355.60, 108,794,033.40 and 68,274,328.40

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Solution

The fourth proportional to 72,529,355.60, 108,794,033.40 and 68,274,328.40 is: 102,411,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,529,355.60 : 108,794,033.40 = 68,274,328.40 : x
  2. Step 2: Convert to fraction form
    72,529,355.60/108,794,033.40 = 68,274,328.40/x
  3. Step 3: Cross multiply
    72,529,355.60x = 108,794,033.40 × 68,274,328.40
  4. Step 4: Simplify right side
    72,529,355.60x = 7,427,839,564,312,170
  5. Step 5: Solve for x
    x = 7,427,839,564,312,170/72,529,355.60
  6. Step 6: Final answer
    x = 102,411,492.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.